Originally Posted By: wagga
P is the deliberate error - Pu would have been too easy.
U is Uranium, and all three events included a big overpressure.
And the jungle picture has both loading pits.

All three? Fair enough. I was tacitly assuming two events. One needs to be careful in assuming anything around you! smile

Anyway, Tinian, A-bobms, Edwards AFB, and the sound barrier -- the right stuff?